Home / 21,175.45-29,223.43-11,744.02

Finding the Fourth Proportional to 21,175.45, 29,223.43 and 11,744.02

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Solution

The fourth proportional to 21,175.45, 29,223.43 and 11,744.02 is: 16,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,175.45 : 29,223.43 = 11,744.02 : x
  2. Step 2: Convert to fraction form
    21,175.45/29,223.43 = 11,744.02/x
  3. Step 3: Cross multiply
    21,175.45x = 29,223.43 × 11,744.02
  4. Step 4: Simplify right side
    21,175.45x = 343,200,546.39
  5. Step 5: Solve for x
    x = 343,200,546.39/21,175.45
  6. Step 6: Final answer
    x = 16,207.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.